research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
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210-240 / 1000+ resultsresearch Acitretin-Altered Squamous Cell Carcinoma
research Dermal Adnexal Neoplasms: Exploring Rare Variants and Their Clinical Behavior
Histopathology is crucial for accurately diagnosing and predicting outcomes of skin adnexal tumors.
research Pilomatricoma with Florid Osseous Metaplasia: A Cytologist’s Perspective
A rare skin tumor with bone formation was successfully removed without recurrence.
research Dermoscopy of neoplastic alopecia secondary to cutaneous metastasis from breast carcinoma
Recognizing specific scalp patterns can help diagnose hair loss linked to breast cancer spread.
research Aggressive squamous cell carcinoma developing in a giant epidermal cyst of the abdomen
A woman died from cancer that spread from a long-standing cyst on her abdomen.
research The First Case of Extensive Metastatic Pancreatic Mixed Acinar-neuroendocrine Carcinoma(MANEC) in a Cat
A cat had a rare, aggressive pancreatic cancer that spread quickly and led to its death.
research Feminizing Adrenocortical Carcinoma Without Gynecomastia
A man with a rare adrenal cancer showed unusual symptoms and died four months after diagnosis.
research Clear cell variant of eccrine porocarcinoma of the hand: A case report
A 90-year-old woman's hand lesion was a rare, aggressive skin cancer treated successfully with surgery.
research Paraneoplastic alopecia associated with internal malignancies in the cat
Some cats with sudden hair loss and tiredness might have cancer-related alopecia.
research Management of a Refractory EIF3E-RSPO2 Fusion Positive Pilomatrical Cancer Patient with Encyclopedic Tumor Analysis Guided Treatment
Personalized treatment based on detailed tumor analysis successfully managed and reduced the patient's aggressive hair follicle cancer.
research Differential diagnosis of basal cell carcinoma and benign tumors of cutaneous appendages originating from hair follicles by using CD34.
research Rare Diagnosis of a Proliferating Pilar Tumor in a Facial Hairline Cryst
The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
research Trichoblastic Carcinoma (“Malignant Trichoblastoma”) with Lymphatic and Hematogenous Metastases
Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.
research Nevoid basal cell carcinoma syndrome. Some histologic observations on the cutaneous lesions
Nevoid basal cell carcinomas start in the skin's top layer and hair follicles.
research The changes in the expression levels of follicular markers in keratoacanthoma depend on the stage: keratoacanthoma is a follicular neoplasm exhibiting infundibular/isthmic differentiation without expression of CK15
Keratoacanthoma changes as it grows, showing different hair follicle characteristics at each stage.
research Immunohistochemical localization of cytokeratins and involucrin in calcifying epithelioma: comparative studies with normal skin
Calcifying epithelioma cells can differentiate into hair cortex and outer root sheath.
research Giant pigmented tumour of the scalp—a diffuse neurofibroma or a congenital naevus showing neurofibromatous changes? Immunohistochemical and electron microscopic studies
The tumor likely shows dual neural crest differentiation.
research A case of feline paraneoplastic alopecia associated with a pancreatic adenocarcinoma
A cat's hair loss was linked to a severe pancreatic cancer.
research Clinicopathologic and molecular characterization of a series of sporadic trichoblastic neoplasms
Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
research SUN-911 Immunotherapy Use in Adrenocortical Carcinoma with Encouraging Results- a Case Report
Immunotherapy with pembrolizumab significantly reduced cancer in a young woman with adrenocortical carcinoma.
research 42761 The elusive BAP1 mutation in pediatric melanocytic tumors
BAP1 mutations are rare in pediatric melanocytic tumors and may develop later in life.
research Primary cutaneous diffuse large B‑cell lymphoma of the scalp: A case report and brief review of the literature
Lymphoma should be considered in unusual scalp hair loss cases, as treatment can work but may lead to severe complications.
research Anti‐keratin Monoclonal Antibody against Basal Cell Epithelioma Keratin: BKN‐1
BKN-1 antibody targets specific keratin in basal cell epithelioma and normal skin basal cells.
research Onycholemmal Carcinoma
A rare nail bed cancer was successfully treated with no recurrence after 4 years.
research Merkel cell carcinoma: updates in tumor biology, emerging therapies, and preclinical models
New therapies and trials are needed for Merkel cell carcinoma, a tough skin cancer.
research Proliferating trichilemmal cyst with histological malignant transformation: Identification of hair sheath keratins in the tumor.
A hair cyst can become cancerous, showing specific keratins from the hair sheath.
research Cutaneous angiosarcoma of the face and scalp presenting as alopecia
Hair loss in this case was caused by a tumor, not typical baldness.
research Follicular Hybrid Cyst With Isthmic-Catagen, Pilomatrical, and Syringocystadenoma Papilliferum Components
A rare neck cyst in a 47-year-old man showed diverse skin cell types and was not linked to HPV.
research Abstract 5022: Keratin15 (Krt15) + are radio resistant and tumor-initiating cells in the mouse small intestine
Krt15+ cells in mice can resist radiation, regenerate tissue, and start tumors, suggesting new cancer treatment targets.